--- In digitalradio@yahoogroups.com, Andrew O'Brien andrewob...@... wrote:
Just a reminder to keep 30Ms in mind for digital modes
Well you really got something going - over the last 24 hours I've seen six
continents, 43 countries and 194 stations.
Today being Saturday I expect to see a lot
In DM780 you can press F1 (I think).
FWIW I'm working on a new logbook which oddly enough will allow me to create
a half-way decent contest interface in DM780.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Tony d...@optonline.net
Anyone know if there's
I must say that I agree with Bonnie - this is either a poor radio design or
more likely you've got a 'duff' radio.
I don't think the SignaLink is the problem.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: expeditionradio expeditionra...@yahoo.com
You are overloading the input to the SignaLink - try dropping the audio
output from the radio.
Or - it could actually be the other station :-)
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: n4hra lew_j...@att.net
I am having a problem with a new Signalink
MT-63 requires a very accurate soundcard calibration.
1% out of calibration (or even less) and MT-63 struggles.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Leslie Elliott denalid...@gmail.com
Thanks, I kind of figured it out myself. There was a QSO I
Looks like you and I studied engineering at the same university :-)
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andy obrien k3uka...@gmail.com
I gave a BIG wiggle on the
video cable at the PC connector and after about a minute of wiggling,
akin to just
!
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Graham g0...@hotmail.com
Old question .. USB sound card , whats a good one for data ??
Free inside Switzerland - works great with XP, just surplus to my requirements
now.
http://www.m-audio.com/products/en_us/Delta44.html
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
Nice try :-)
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Graham g0...@hotmail.com
If I look closely I can just see the top of snaefell .. if thats worth any
points ?
FLDIGI and the new Thor mode?
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andy obrien [EMAIL PROTECTED]
It is that time again, time to think about nominees for the 5th Annual
Digitalradio Awards. Please email your suggestions, I will publish
the winners
Vojtech,
If you can improve this with Pawel's code base many developers would be most
grateful :-)
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Vojtech Bubnik [EMAIL PROTECTED]
I believe Pawel's code may be improved to decrease time lag in case
Been watching the Muppet show today Andy :-) ?
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien
Just ran in to someone that uses a RF Space SDR-IQ RX , looks very useful.
Anyone in this group using one for ham digital mode monitoring ?
understand this it's best to analyse the Olivia design although
this can be rough for the brain :-)
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: captcurt2000 [EMAIL PROTECTED]
Sooo. a 500Mhhz machine running at 20% is going to perform the
integrations and decoding
MIPS shouldn't have any effect as long as the CPU doesn't run at 100%.
Olivia likes a calibrated soundcard.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: captcurt2000 [EMAIL PROTECTED]
How are you going to make sense of the variety of MIPS performance
Nope - the code is almost the same - it'll be soundcard calibration issues.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Cortland [EMAIL PROTECTED]
Just this morning I came across a net running in Olivia 8-tone/1000Hz.
It decoded poorly in one SW package
This is a windows-only question.
It a SDR application were to make data available for use in digital mode
programs using something other than a virtual soundcard, what options would be
feasible?
TCP/IP server?
Mailslots?
I want to be sure that I haven't missed the obvious here.
Simon Brown
It means that the drivers are better - the internal clock runs at 48kHz,
other rates are created by either the driver or (very often) Windows.
Windows XP does not do a good job of this, VISTA however is excellent at
converting the sample rates.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
A significant difference between TX and RX can result in an offset. During
my holidays in Oct / Nov I will add full soundcard calibration for all modes
in DM780.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Dave [EMAIL PROTECTED]
What impact, if any, does
?
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Dave AA6YQ
If you're referring to CPU usage as reported by the Windows Task Manager,
that's an average. The question is whether any app is being starved for CPU
resources during critical operations.
not a compromise - anyway with luck I'll find this explanation this
morning.
FWIW I generate 8kHz from 48kHz sampling using Moe's code.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Dave AA6YQ
Also, there is no reason to believe that the two applications would
I'm sure fldigi uses 8kHz in general and 11,025 when needed for some Thor /
DominoEx modes.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
The sample rates were 11025 Hz for Mixw and IZ8BLY MT63 terminal. Looks
like
8000 Hz for DM780 and Multipsk. Not sure
with a soundcard running in surround mode :-(
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
I think you get a soundcard on the PC - just like with the SignaLink USB,
Navigator etc.
Also I'm sure the sound is available via the rear connectors.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Rein Couperus [EMAIL PROTECTED]
This means flexibility
I agree with Skip. My guess is a driver issue.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: kh6ty [EMAIL PROTECTED]
I seriously doubt that your problems are caused by the SoundBlaster or
fldigi, but most likely by something we do not know about your
OMG, should have been: 'Only members of that group...' !
I tried to join some years ago - got blacklisted!
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Simon Brown (KNS) [EMAIL PROTECTED]
Only member so the that group can read the messages - could you post
Andy,
You *cannot* use CAT for PTT with the TS-2000 and provide audio via the rear
connector. You must toggle a ACC pin for PTT - see the DM780 PTT page.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
So much for emergency
Andy, Please explain how to disable a group from Grouply please.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
Bonnie alerted me to this today, FYI this Yahoogroup has been disabled
from Grouply, so all should be ok
Thanks.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
Go to http://www.grouply.com/owner_controls.php, see bottom of page,
click on link a bottom of page , then at next page enter in your owner
email address for the group
To be honest, no - I will look into this tomorrow as I have a feeling I can
stop it inside the HRD code but it's something you've got on your system
which causes this :-(
I think I stopped it with the IE browsers inside DM780. I assume it's HRD
causing the problem, not DM780?
Simon Brown
I really hope the code or at least a DLL is made available. Anything to get
rid of PACTOR III has my vote (I do not like the licencing issues involved).
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Bob Donnell [EMAIL PROTECTED]
Looks interesting. I wonder
I have one here - I think it's excellent. Currently driving a TS-2000, also
use it with the K3.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: wb4lzq [EMAIL PROTECTED]
Is anyone using one? If so your comments would be appreciated.
Yes, I've been using and recommending Neil's products since almost the day
he started, he was a close friend of Peter PH1PH (SK).
A real good egg is Neil.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
Anyone familiar
Quote from Neil's website:
This new product will ship on Monday 25th August 2008
Shirley Monday's a bank holiday :-)
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
http://www.g4zlp.co.uk/unified/DM_AudioPRO_complete.shtml
It's a brand-new shiny product.
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: [EMAIL PROTECTED]
idle curiosity but is this a reverse engineered or just a rebranded
Tigertronics SL/USB???
Put back a few days, I forgot something :-(
Some pics anyway -
http://www.ham-radio-deluxe.com/Programs/HRDSatelliteTracking/tabid/97/Default.aspx
Simon Brown, HB9DRV
www.ham-radio-deluxe.com
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
This may be released
In a sentence: PSK is the mode of choice although during a contest 'the
bands are alive to the sound of RTTY'.
Simon Brown, HB9DRV
--
From: deweygroups [EMAIL PROTECTED]
Been away from digital for a while. Wondering what are the current
Yes - well deserved, especially for figuring out how to use LoTW !
Simon Brown, HB9DRV
From: Andrew O'Brien
Very well deserved , Congratulations Dave.
Andy K3UK
on
the desk doing this sort of work is not at all appealing.
I make the source I use available in C++.
Simon Brown, HB9DRV
---
From: Dave AA6YQ
AA6YQ comments below
Hi Steinar,
I haven't considered adding ALE400.
Simon Brown, HB9DRV
--
From: Steinar Aanesland [EMAIL PROTECTED]
Have you also thought about implementing Patrick's ALE400 in your
software? It is a fantastic ARQ mode !
know I can do something with the software, I wonder what version of IE you
are using?
The problem you have is stopping IE displaying the script error popups. I'll
look at the coding this evening.
Simon Brown, HB9DRV
--
From: Ian Wade [EMAIL
Engaging Mr. Brain:
Ian - in the latest kit you have you can now use a DX Cluster such as
GB7MBC, so try this option. It does not use any IE engines and retrieves the
same spots.
Simon Brown, HB9DRV
--
From: Simon Brown [EMAIL PROTECTED
Ah,
Yes - sorry, you get the popup when talking with QRZ.com. IE is not
Microsoft's finest piece of code, I will be looking at the code over the
weekend as I think I can disable these popups myself.
FWIW I use the IE engine.
Simon Brown, HB9DRV
Is your serial cable radiating?
Simon Brown, HB9DRV
--
From: mac2251 [EMAIL PROTECTED]
Forgive me if this is the wrong place to ask this. When opening a
digital program I get a lot of noise. It covers all but the strongest
signals
Ian,
You must disable the script debugging in Internet Explorer on your computer,
this is why the messages occur.
Simon Brown, HB9DRV
--
From: Ian Wade [EMAIL PROTECTED]
More input: I have just installed version 4.0 SP3 build 1875
I'll add it to Digital Master 780 as soon as Dave (fldigi) is happy with the
mode. It'll take about one or two evenings, that's all.
Simon Brown, HB9DRV
--
From: Joe Veldhuis [EMAIL PROTECTED]
Thor will be in Fldigi 3.0, which should be released
Skip,
I haven't seen any NBEMS postings yet. When the new mode is released I'll
add it to DM780.
Simon Brown, HB9DRV
--
From: kh6ty [EMAIL PROTECTED]
In addition, although we are improving NBEMS support on HF with a new
static-robust mode
I agree - consolidation is best, but if Andy needs space or something the
offer's there.
Simon Brown, HB9DRV
--
From: Andreas Rehberg [EMAIL PROTECTED]
I've already seen links to two existing ham-wikis in this discussion.
Probably
Pactor? RTTY with a big shift?
Simon Brown, HB9DRV
--
From: Paul [EMAIL PROTECTED]
Last night around 10.131Mhz from Central Oregon I heard what appeared
to be two highspead CW signal pretty wide appeart sending simultaneously.
UK members of this list are already constructing pigeon lofts.
Simon Brown, HB9DRV
--
From: Jack Hamilton [EMAIL PROTECTED]
I guess it's time for us all to learn how to build spark gap
transmitters, just in case.
You see the bandwidth already - so why not just OL + number of tones?
I don't think users will like a lookup table.
Simon Brown, HB9DRV
--
From: Ian Wade [EMAIL PROTECTED]
Here is an idea that Olivia developers might care to consider.
And breaking the software
Simon Brown, HB9DRV
From: Gmail - Kevin, Natalia, Stacey Rochelle
Happy Birthday Andy from NZ.
Another year of beating the Digital modes.Emoticon1.gif
And FWIW I am very soon starting on all bugs / enhancements for HRD 5.0 -
please, no requests at the moment :-)
With a little programming effort I can improve HRD a great deal.
Simon Brown, HB9DRV
--
From: Simon Brown [EMAIL PROTECTED]
HRD
- it is a Windows / IE setting somewhere.
Simon Brown, HB9DRV
--
From: Ian Wade [EMAIL PROTECTED]
I have IE7 installed (I'm not sure which release, as I can't find the
Help About button any place!).
I followed your instructions above, and found
You can't - I expect that this will become the default in a few days. I'll have
a word with N1DQ.
Simon Brown, HB9DRV
From: Dennis Wyman
Just curious, how can we incorporate this format into the new HRD/DM780 4.0?
Dennis, KA6GDT
- Original Message -
From: Andrew O'Brien
In Europe only: what frequencies are you listening on for PSK, RTTY and other
digital modes?
I've just got a cable for my TS-2000 and fancy leaving it waiting for digital
signals during this summer's E openings.
(The TS-480SAT is on 20m, the K3 waiting for 6m scanning support.)
Simon Brown
Sure - it's free!
www.ham-radio-deluxe.com
Simon Brown, HB9DRV
From: Gmail - Home
Hi Simon,
See you have version 4 of Ham Radio Deluxe coming out soon?
Any chances of giving it a go (Trial)?
Hi Trevor,
Thanks - but as there doesn't seem to be a hard and fast rule I was really
wonder what frequencies are being used in anger :-)
I'll fire things up tonight.
Simon Brown, HB9DRV
--
From: [EMAIL PROTECTED]
The UK bandplan shows:
PSK31
Thanks - 50.250 - I'll start monitoring that.
Simon Brown, HB9DRV
--
From: [EMAIL PROTECTED]
There is a lot of activity on 50.230 (JT6M) and varying amount on 50.250
(PSK31).
Hopefully WSPR http://wsprnet.org/drupal/ will attract more ops
FWIW I use my TS-480SAT for digital use and like to have the remote head
under a 24 monitor.
When I use my K3 I need to be able to touch it as the CAT control is not yet
fully implemented.
What radio(s) do you use?
Simon Brown, HB9DRV
--
From
Hi, I'll be adding a lot more TS-2000 support soon, I do use HRD sometimes
but with normal digital mode operation I just don't need to touch the radio.
IMO the TS-480SAT is the best value for money HF digital mode radio
available today.
Simon Brown, HB9DRV
Most modes have AFC which can work very well.
Simon Brown, HB9DRV
--
From: Rick [EMAIL PROTECTED]
Does anyone have any other experiences with the sound card modes that
shows whether or not this can work well enough on VHF? And if so, which
There's also some 'I live outside the US but still feel your pain'. I'm with
you in spirit(s).
Simon Brown, HB9DRV
--
From: johnhutchinsusa [EMAIL PROTECTED]
There is a lot of
I only care what you think if you agree with me!
on this forum
No idea - but how did you make that recording?
Simon Brown, HB9DRV
--
From: Tooner [EMAIL PROTECTED]
http://evokefrank.googlepages.com/oddsound_1.824.0_1000UTC.wmv
Expect more reporting in the PSK Reporter over the next months, this is just
Philip's first bash. I myself did very little other than added a DLL. Philip
is a *very* professional developer, it's good to add someone to the fold.
Dave AA6YQ: It really is just a few hours work for a developer to
FWIW http://psk.gladstonefamily.net/cgi-bin/pskstats.pl
(see also http://psk.gladstonefamily.net/pskmap.html )
Well over 25,000 distinct callsigns seen on PSK over the last three months.
I doubt anything will overtake PSK in popularity in this decade.
Simon HB9DRV
Interesting because I've been asked by quite a few people to add Hell to
DM780 - which I have done, so expect some Hell activity this year.
In general I agree that we possibly have far too many modes, for the
beginner it's no easy to know what's what. At least PSK / RTTY is a good
starting
Maybe because I'm further south but 20m has been very stable all day on PSK.
Simon Brown, HB9DRV
--
From: Mel [EMAIL PROTECTED]
I would have thought by now, with conditions having been the way they
are for some considerable time, all users
I think you mean: http://www.obriensweb.com/pskr.jpg
Philip N1DG (I think that's his callsign) will be devloping this further
over the next weeks.
Simon Brown, HB9DRV
--
From: Andrew O'Brien [EMAIL PROTECTED]
Although not the main display
One other thing - at the moment it's only PSK, when Philip has his act
together it will support any mode, for example SSTV.
Simon Brown, HB9DRV
--
From: Simon Brown [EMAIL PROTECTED]
I think you mean: http://www.obriensweb.com/pskr.jpg
This is just detecting callsigns in on-air QSO's and receiving reports from
new logbook entries, that's all it does. No beacons or automated
transmissions.
Simon Brown, HB9DRV
--
From: Rick [EMAIL PROTECTED]
If this is used by very many hams
--
From: Rick [EMAIL PROTECTED]
What is it the PropNet does now that is different, better, etc.?
I have no idea - I added this PSK reporting in DM780 for Philip so that he
could 'do his thing'. I guess one advantage is that the user just bats
What's wrong in drumming up some activity on an otherwise often dead band?
And it's QRP - hardly going to bend anyone's S-Meter.
Simon Brown, HB9DRV
--
From: David Michael Gaytko // WD4KPD [EMAIL PROTECTED]
30 Meter QRP Weekend April 19th 20th
I'll put my 30 / 17 / 12 antennas up at the end of April.
Simon Brown, HB9DRV
--
From: kh6ty [EMAIL PROTECTED]
If everyone who thought 30m was dead just called CQ, that opinion might
change very quickly!
Try it! It is a time-honored technique! ;-)
Without a doubt: PSK by Pawel Jalocha and Peter Martinez.
Simon Brown, HB9DRV
--
From: Andrew O'Brien [EMAIL PROTECTED]
On May 11 2008, this digitalradio group will be 8 years old (Founded:
May 11, 2000) . Reflecting on the past 8 years, what do
From: Kurt [EMAIL PROTECTED]
As far as XP license key, I still have the recovery disk for the
laptop.
Do yourself a favour:
http://www.nirsoft.net/utils/product_cd_key_viewer.html
Save the licence keys on paper, then you have them in case to decide that XP
is the best thing out there :-)
of the XP licence key, there are
free utilities for this.
Simon Brown, HB9DRV
--
From: Kurt [EMAIL PROTECTED]
I am looking for another OS to used on a older laptop.
Laptop is 1ghz,256mgs ram, and a 40gig hd,dvd/cd reader. Right now it
has XP(came
What a great set of talks - wish I lived a bit closer.
Simon Brown, HB9DRV
--
From: Mark Thompson [EMAIL PROTECTED]
MicroHAMS Digital Conference 2008 announcement
Does anyone have a full description of the SSTV PD modes developed by Don
Rotier (SK I belive) and Paul Turner?
Simon Brown, HB9DRV
Latest sunspot data is http://www.swpc.noaa.gov/ftpdir/indices/DSD.txt
I show the last line in the status bar of my own software, when the user
clicks on this info the above web page is shown. This was a good idea from a
user.
Simon Brown, HB9DRV
- Original Message -
From: Tooner
Maybe use DXKeeper from Dave AA6YQ? I know there are interfaces in DM780,
sure-ish that they exist in MultiPSK.
One idea I have thought about is for programs such as DXKeeper, DM780 etc.
to run UDP servers which allow other programs to send new QSO's for logging.
Simon Brown, HB9DRV
UI Design is something I am not very good at but am very interested in. Here's
an excellent article I came across this morning, well worth reading, it will
take you just one minute.
http://www.smashingmagazine.com/2008/01/31/10-principles-of-effective-web-design/
Simon Brown, HB9DRV
BTW - I have a fine NTPClient class in C++ in case anyone is interested, I
use this when calibrating soundcards and also to keep my computer clock
updated every 15 minutes.
You would have to modify it yourself as it uses a few DM780 calls but the
intelligence you need is in place.
Simon Brown
An advantage of UDP is that the logger could be on another platform /
computer. Although there's network DDE I have never tried it and don't want
to try it to be honest.
Also I would say that UDP is easy in all languages, DDE is a tad complex in
C++.
Simon Brown, HB9DRV
- Original
for the work he
does no matter how appealing the UI may be.
To provide the ultimate software would require a team of three or four
programmers; herding cats would be easier.
Simon Brown, HB9DRV
- Original Message -
From: Tooner [EMAIL PROTECTED]
--- In digitalradio@yahoogroups.com, Kevin
To do everything users want could easily take several years at 60 hours a
week plus the associated costs which are not inconsiderable.
Simon Brown, HB9DRV
- Original Message -
From: Simon Brown [EMAIL PROTECTED]
To provide the ultimate software would require a team of three or four
User Interface, also known as GUI (Graphical User Interface) when compared with
an old VT-100 type terminal interface or even a teletype for those of a
'certain age'.
Simon Brown, HB9DRV
- Original Message -
From: John Bradley
qu'est-ce que UI?
I took a look at http://rfsm2400.radioscanner.ru and was shocked by the
price.
Is anyone interested in writing a GPL / Open Source implementation of the
protocol in C++? Not a full UI, just the rx / tx logic?
Simon Brown, HB9DRV
Even if it's free for Hams (which I hope is the case) we should consider an
OpenSource codebase so that it gains wider acceptance?
Simon Brown, HB9DRV
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
Maybe I am missing something. I have the software and have not paid
http://hamdrm-dll.googlecode.com/svn/trunk/ - I have downloaded and compiled
it, I hope to use it soon in digital SSTV.
Simon Brown, HB9DRV
- Original Message -
From: dmitry_d2d [EMAIL PROTECTED]
I About shocked price.
1. RFSM-2400 is FREEWARE.
II About open source.
Why have you
I see some use of MixW here, also little talk on the SSTV 20m frequency
14.230.
DM780 coming along well with analogue SSTV support, crashing merrily at the
moment :-(
Simon Brown, HB9DRV
- Original Message -
From: Andrew O'Brien [EMAIL PROTECTED]
I have had the same experience
Leigh,
Have you looked at Digital SSTV based on HamDRM? I've just compiled the
HamDRM DLL and am hoping to have this integrated in DM780 in February
sometime.
Simon Brown, HB9DRV
- Original Message -
From: Leigh L Klotz, Jr. [EMAIL PROTECTED]
Patrick,
Yes, but MultiPSK and DRM780
It could be done in 500 Hz - why are you looking for the 500Hz bandwidth?
Simon Brown, HB9DRV
- Original Message -
From: Leigh L Klotz, Jr. [EMAIL PROTECTED]
I didn't know it fit iin 500Hz. I will go look again. This is JPEG2000
coding? If it fits, it is more interesting than
write my own code to do what I want I
need to validate my filters with a program not created by my own fair hands
:-)
With a filter covering 0 to 4,000Hz I simply feed a signal in, see what I
get out and do some sums...
Simon Brown, HB9DRV
- Original Message -
From: [EMAIL PROTECTED
Hi,
This is not a problem, but I would like to feed my data into a 3-rd party
program to prove my design, that's all :-)
Simon Brown, HB9DRV
- Original Message -
From: John B. Stephensen
Since the filter coefficients are the impulse response, you should be able to
do a DFT
Points taken John, but if I do all the coding then I will not find any errors I
think.
I'll know soon whether my design is correct - it's really a question of using
correct Nyquist adjusted frequencies etc.
Simon Brown, HB9DRV
- Original Message -
From: John B. Stephensen
I have written my own code to design FIR filters using Parks-McClellan. Are
there any programs I can use to test the filter by supplying my table of
coefficients?
This is part of some SSTV code, I wrote the software as I couldn't find what I
needed out there on the web.
Simon Brown, HB9DRV
An example of the filter design (ignore the numbers in the toolbar please):
http://gallery.ham-radio.ch/main.php?g2_itemId=14198g2_imageViewsIndex=2
Simon Brown, HB9DRV
- Original Message -
From: Simon Brown
I have written my own code to design FIR filters using Parks-McClellan
I'm writing analogue SSTV code and testing on 20m / 80m. I rarely hear any
SSB at all on 14.230 / 3.730 .
http://www.hb9drv.ch/sstv/sstv.htm
BTW - anyone using SSTV on 40m in Europe - if so what frequency?
Simon Brown, HB9DRV
- Original Message -
From: Brad [EMAIL PROTECTED]
I
In my own case I can record the incoming audio and play it back later.
At the moment I leave DM780 running all night picking up SSTV pictures.
I'm not sure I would want a scheduler but were I to add one I would use a UI
similar to Outlook's calendar.
Simon Brown, HB9DRV
- Original Message
Hi,
Yes - Patrick's idea is on the to-do list along with PSF63F. At the moment I
am working on SSTV with the aim of having a beta inside three weeks.
Although SSTV is analogue it's a great weak-signal DX mode and really quite
interesting from a retro-viewpoint.
Simon Brown, HB9DRV
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